function edges = reg()
    
    edges = [
    1, 2, 6; 1, 3, 4;
    2, 1, 6; 2, 6, 5;
    3, 1, 4; 3, 4, 4; 3, 12, 4;
    4, 3, 4; 4, 5, 2; 4, 11, 6;
    5, 4, 2; 5, 6, 4; 5, 9, 5;
    6, 2, 4; 6, 5, 4; 6, 8, 2;
    7, 8, 3; 7, 18,2;
    8, 6, 2; 8, 7, 3; 8, 9, 10; 8, 16, 5;
    9, 5, 5; 9, 8, 10; 9, 10, 3;
    10, 9, 3; 10, 11, 5; 10, 15, 6; 10, 16, 4;10 ,17, 8;
    11, 4, 6; 11, 10, 5; 11, 12, 6; 11, 14, 4; 
    12, 3, 4; 12, 11, 6; 12, 13, 3;
    13, 12, 3; 13, 24, 4; 
    14, 11, 4; 14, 15, 5; 14, 23, 4;
    15, 10, 6; 15, 14, 5; 15, 19, 3; 15, 22, 3;
    16, 8, 5; 16, 10, 4; 16, 17, 2; 16, 18, 3;
    17, 10, 8; 17, 16, 2; 17, 19, 2;
    18, 7,  2;  18,  16,  3; 18, 20, 4; 
    19, 15, 3; 19, 17, 2; 19, 20, 4; 
    20, 18, 4; 20, 19, 4; 20, 21, 6; 20, 22, 5;
    21, 20, 6; 21, 22, 2; 21, 24, 3; 
    22, 15, 3; 22, 20, 5; 22, 21, 2; 22, 23, 4;
    23, 14, 4; 23, 22, 4; 23, 24, 2;
    24, 13, 4; 24, 21, 3; 24, 23, 2; 
];

end